Clinical Trials

Hundreds of clinical trials are rolled out around the world monthly, and many of them are designed to specifically uncover and manage the medical needs of people with sickle cell disease and trait. We keep an updated list of these global studies here, so you don’t have to go searching for them. There might be active study recruitment and enrollment happening at a site near you. Explore the list below to see the different types of studies, and use the navigation options on the left to get as specific as you would like.

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An Open-label, Expanded Access Protocol for Pediatric Patients With Sickle Cell Disease Who Have No Alternative Treatment Options

The intent of this open-label, multicenter Expanded Access Program (EAP) is to provide early access to treatment with voxelotor prior to market authorization for pediatric patients age 4 to 11 years with sickle cell disease (SCD) who have no alternative treatment options and are ineligible to participate in clinical trials of voxelotor.


12 United States sites


4 to 11 Years

A Phase 2,Multicenter,Open-Label Study to Assess Appropriate Dosing and to Evaluate Safety of Crizanlizumab,With or Without Hydroxyurea/Hydroxycarbamide,in Sequential,Descending Age Groups of Pediatric Sickle Cell Disease Patients With Vaso-Occlusive Crisis

The purpose of the Phase 2 CSEG101B2201 study is to confirm and to establish appropriate dosing and to evaluate the safety in pediatric participants ages 6 months to <18 years with a history of VOC with or without HU/HC, receiving crizanlizumab for 2 years.


19 United States sites

5 Spain sites

4 Belgium sites

3 Brazil sites

3 Colombia sites

3 India sites

3 Italy sites

2 Canada sites

2 Germany sites

2 Lebanon sites

2 Turkey sites

2 United Kingdom sites

1 Oman site

1 Switzerland site

1 France site


6 to 17 Years




Phase 2